Dynamic software product lines extend existing product line engineering approaches by moving their capabilities to runtime, helping to ensure that system adaptations lead to desirable properties. The Web extra at http://youtu.be/EHfdatOuktM is a video of a robot developed by Sogang University in South Korea that demonstrates adaptive behavior. The Web extra at http://youtu.be/916ZGBjbATI is a video featuring guest editor Mike Hinchey and his colleagues discussing ongoing research at Lero, the Irish Software Engineering Research Centre. The Web extra at http://youtu.be/R1gybFwAy10 is a video interview with Software Area Editor David Weiss discussing the benefits of using software product line engineering to produce software families.